Sayama, Japan

Yumiko Ishiyama

This inventor holds 1 USPTO granted patent. Top assignee: Snow Brand Milk Products Co., Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yumiko Ishiyama. Retrieved from https://idiyas.com/inventor/yumiko-ishiyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Yumiko Ishiyama: Innovator in Sialic Acid Composition

Introduction

Yumiko Ishiyama is a prominent inventor based in Sayama, Japan. She has made significant contributions to the field of food and medical materials through her innovative processes. Her work focuses on the efficient production of sialic acids-containing compositions, which have various applications in the industry.

Latest Patents

Yumiko Ishiyama holds a patent for a process for manufacturing a sialic acids-containing composition. The patent outlines a method that includes several steps: adjusting cheese whey or rennet whey to a pH of 2-5, contacting the whey with a cation exchanger to produce an exchanger-passed solution, adjusting the pH of the solution to 4 or lower, and then concentrating and/or desalting the solution. This process allows for the production of a composition with a high sialic acids content at a low cost and in a simple manner on an industrial scale. The resulting composition can be utilized as food materials or medical materials, making it highly valuable in various industries.

Career Highlights

Yumiko Ishiyama is associated with Snow Brand Milk Products Co., Ltd., where she applies her expertise in food science and technology. Her innovative approach has led to advancements in the production of beneficial compositions that can enhance food and medical applications.

Collaborations

Yumiko has collaborated with notable colleagues, including Makoto Oyoshi and Ichirou Matsuno. These partnerships have contributed to her success and the development of her patented processes.

Conclusion

Yumiko Ishiyama's work in the field of sialic acids-containing compositions showcases her innovative spirit and dedication to advancing food and medical materials. Her contributions are not only significant but also beneficial to various industries.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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